3 years ago

A giraffes hunger level depends on the size of its last meal what is the independent variable

2 answers:

8 0

The independent variable is the size of its last meal, because its hunger level depends on its last meal, making it the independent variable.

ExtremeBDS [4]3 years ago

5 0

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Problem 1.(32 points) A random sample of 100 Uber rides in Chicago has on average 5.4miles per ride. Assume the distribution of

marshall27 [118]

Answer:

a) CI = ( 5,1 ; 5,7 )

b) SE = 0,1

Step-by-step explanation:

a) Sample random n = 100

Mean = μ = 5,4

Standard deviation s = 1,3

CI = 99 % α = 1 % α = 0,01 α/2 = 0,005

z(c) for 0,005 is from z-table z(c) = 2,575

z(c) = ( X - μ ) /s/√n CI = μ ± z(c) * s/√n

CI = 5,4 ± 2,575* 1,3/10

CI = 5,4 ± 0,334

CI = ( 5,1 ; 5,7 )

b) SE = Standard deviation / √n

SE = 1,3 /10 SE = 0,1

We can support that with 99 % of probability our random variable will be in the CI.

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3 years ago

Find the surface area of the prism below. Please see the attachment and a. 108cm ^2 is incorrect. Thanks!

creativ13 [48]

Answer: OPTION B

Step-by-step explanation:

To solve this problem you must add the areas of each rectangle that form the prism;

The area of a rectangle can be calculated with the formula:

$SA=length*width$

There are three pairs of equal rectangles, then you can find the surface area of 3 rectangles and multiply each one by 2, then you obtain that the surface area of the prism is:

$SA_{prism}=2(6cm*2cm)+2(3cm*6cm)+2(3cm*2cm)=72cm^{2}$

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3 years ago

Jackie brought 6 books for b dollars each and 3 magazines for m dollars each. Which expression represents the total amount in do

USPshnik [31]

Answer:

6b+3m

Step-by-step explanation:

I hope this helped.

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4 years ago

What is the diameter of the circle with center A

matrenka [14]

Answer:

diameter = 2.r

= 2.3 = 6in

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3 years ago

Which number is a solution of the inequality x <-4? Use the number line to help answer the question.

Fantom [35]

Answer:

0 is the answer

Step-by-step explanation:

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3 years ago